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Cheap flights from Ottawa to Louisville from $255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Louisville departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ottawa to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:36 pm - 11:55 pmYOW  Ottawa-SDF Louisville Intl
7h 19m1 stop Chicago O'Hare Intl
United Airlines Logo
1:00 pm - 9:56 pmSDF  Louisville Intl-YOW Ottawa
8h 56m1 stop Newark
$523United Airlines
Sat, Jan 9 - Mon, Jan 11
United Airlines Logo
4:36 pm - 11:55 pmYOW  Ottawa-SDF Louisville Intl
7h 19m1 stop Chicago O'Hare Intl
United Airlines Logo
1:00 pm - 9:56 pmSDF  Louisville Intl-YOW Ottawa
8h 56m1 stop Newark
$524United Airlines
Sat, Jan 9 - Mon, Jan 11
United Airlines Logo
4:36 pm - 11:55 pmYOW  Ottawa-SDF Louisville Intl
7h 19m1 stop Chicago O'Hare Intl
United Airlines Logo
1:00 pm - 9:56 pmSDF  Louisville Intl-YOW Ottawa
8h 56m1 stop Newark
$525United Airlines
Sat, Jan 9 - Mon, Jan 11
United Airlines Logo
6:00 am - 2:37 pmYOW  Ottawa-SDF Louisville Intl
8h 37m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:10 am - 1:59 pmSDF  Louisville Intl-YOW Ottawa
6h 49m1 stop Chicago O'Hare Intl
$529United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
6:00 am - 7:07 pmYOW  Ottawa-SDF Louisville Intl
13h 07m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl
United Airlines Logo
5:15 am - 1:59 pmSDF  Louisville Intl-YOW Ottawa
8h 44m1 stop Chicago O'Hare Intl
$555United Airlines
Wed, Sep 16 - Sun, Sep 20
Air Canada Logo
4:36 pm - 11:55 pmYOW  Ottawa-SDF Louisville Intl
7h 19m1 stop Chicago O'Hare Intl
Air Canada Logo
9:00 am - 7:52 pmSDF  Louisville Intl-YOW Ottawa
10h 52m2 stops Chicago O'Hare Intl Toronto Island
$588Air Canada
Sat, Jan 9 - Mon, Jan 11
Air Canada Logo
12:15 pm - 7:34 pmYOW  Ottawa-SDF Louisville Intl
7h 19m2 stops Toronto Island Washington, D.C. Dulles Intl
Air Canada Logo
5:30 am - 1:17 pmSDF  Louisville Intl-YOW Ottawa
7h 47m2 stops Chicago O'Hare Intl Toronto Island
$589Air Canada
Sat, Jan 9 - Mon, Jan 11
Air Canada Logo
12:15 pm - 7:34 pmYOW  Ottawa-SDF Louisville Intl
7h 19m2 stops Toronto Island Washington, D.C. Dulles Intl
Air Canada Logo
5:30 am - 1:17 pmSDF  Louisville Intl-YOW Ottawa
7h 47m2 stops Chicago O'Hare Intl Toronto Island
$590Air Canada
Sat, Jan 9 - Mon, Jan 11
United Airlines Logo
6:00 am - 4:38 pmYOW  Ottawa-SDF Louisville Intl
10h 38m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl
United Airlines Logo
7:10 am - 5:15 pmSDF  Louisville Intl-YOW Ottawa
10h 05m2 stops Chicago O'Hare Intl Toronto Pearson Intl
$597United Airlines
Thu, Sep 3 - Thu, Sep 10
Multiple Airlines Logo
6:00 am - 7:07 pmYOW  Ottawa-SDF Louisville Intl
13h 07m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl
Multiple Airlines Logo
5:15 am - 1:17 pmSDF  Louisville Intl-YOW Ottawa
8h 02m2 stops Chicago O'Hare Intl Toronto Island
$615Multiple Airlines
Wed, Sep 16 - Sun, Sep 20

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United Airlines flights from Ottawa to Louisville

Our best United Airlines deals on Ottawa to Louisville flight tickets
United Airlines
Jan 9
YOW4:36 pmOttawa
7h 19m
1 stop
SDF11:55 pmLouisville Intl
Jan 11
SDF1:00 pmLouisville Intl
8h 56m
1 stop
YOW9:56 pmOttawa
$523
United Airlines
Jan 9
YOW4:36 pmOttawa
7h 19m
1 stop
SDF11:55 pmLouisville Intl
Jan 11
SDF1:00 pmLouisville Intl
8h 56m
1 stop
YOW9:56 pmOttawa
$524
United Airlines
Jan 9
YOW4:36 pmOttawa
7h 19m
1 stop
SDF11:55 pmLouisville Intl
Jan 11
SDF1:00 pmLouisville Intl
8h 56m
1 stop
YOW9:56 pmOttawa
$525

Air Canada flights from Ottawa to Louisville

Our best Air Canada deals on Ottawa to Louisville flight tickets
Air Canada
Jan 9
YOW4:36 pmOttawa
7h 19m
1 stop
SDF11:55 pmLouisville Intl
Jan 11
SDF9:00 amLouisville Intl
10h 52m
2 stops
YOW7:52 pmOttawa
$588
Air Canada
Jan 9
YOW12:15 pmOttawa
7h 19m
2 stops
SDF7:34 pmLouisville Intl
Jan 11
SDF5:30 amLouisville Intl
7h 47m
2 stops
YOW1:17 pmOttawa
$589
Air Canada
Jan 9
YOW5:10 pmOttawa
6h 45m
2 stops
SDF11:55 pmLouisville Intl
Jan 11
SDF9:00 amLouisville Intl
5h 12m
1 stop
YOW2:12 pmOttawa
$590

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from Ottawa to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sat 1/9

4:36 pm-11:55 pm

1 stop7h 19m

Louisville Intl

Mon 1/11

1:00 pm-9:56 pm

1 stop8h 56m

$523

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sat 1/9

4:36 pm-11:55 pm

1 stop7h 19m

Louisville Intl

Mon 1/11

1:00 pm-9:56 pm

1 stop8h 56m

$524

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sat 1/9

4:36 pm-11:55 pm

1 stop7h 19m

Louisville Intl

Mon 1/11

1:00 pm-9:56 pm

1 stop8h 56m

$525

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Tue 9/1

6:00 am-2:37 pm

1 stop8h 37m

Louisville Intl

Tue 9/8

7:10 am-1:59 pm

1 stop6h 49m

$529

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Wed 9/16

6:00 am-7:07 pm

3 stops13h 07m

Louisville Intl

Sun 9/20

5:15 am-1:59 pm

1 stop8h 44m

$555

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sat 1/9

4:36 pm-11:55 pm

1 stop7h 19m

Louisville Intl

Mon 1/11

9:00 am-7:52 pm

2 stops10h 52m

$588
Quickest round-trip

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sat 1/9

12:15 pm-7:34 pm

2 stops7h 19m

Louisville Intl

Mon 1/11

5:30 am-1:17 pm

2 stops7h 47m

$589

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Sat 1/9

12:15 pm-7:34 pm

2 stops7h 19m

Louisville Intl

Mon 1/11

5:30 am-1:17 pm

2 stops7h 47m

$590

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Thu 9/3

6:00 am-4:38 pm

3 stops10h 38m

Louisville Intl

Thu 9/10

7:10 am-5:15 pm

2 stops10h 05m

$597

OttawaLouisville

YOW Ottawa - SDF Louisville Intl

YOWSDF

Ottawa

Wed 9/16

6:00 am-7:07 pm

3 stops13h 07m

Louisville Intl

Sun 9/20

5:15 am-1:17 pm

2 stops8h 02m

$615

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from Ottawa to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of February, then departing from Ottawa during the month March is also very affordable. Most momondo users find prices during this month for around $308.

When to book flights from Ottawa to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Louisville (YOW to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Louisville

Fastest flight time

6h 39m

Direct flights

None
The fastest flight from Ottawa to Louisville takes 6h 39m
There are no direct flights from Ottawa to Louisville. There are no popular flight routes from Ottawa to Louisville.
Search flight deals

Frequently asked questions about flying from Ottawa to Louisville

  • How far is Ottawa to Louisville Intl by plane?

    There are 714.9 mi between Ottawa and Louisville Intl. Flights usually cover this in 6h 39m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ottawa Airport to Louisville Intl Airport?

    Prices for flights from Ottawa Airport to Louisville Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ottawa Airport to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
New Albany
Shepherdsville
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Louisville?

It is quick and easy to find Ottawa to Louisville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Louisville that suits you.

Can I find flights from Ottawa to Louisville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Louisville from Ottawa which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ottawa to Louisville?

momondo helps you find the best flight between Ottawa and Louisville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ottawa to Louisville right now. Can momondo alert me if prices change?

Price alerts on flights to Louisville from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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